What is BundleBot?
BundleBot is a malware that operates covertly and poses a significant threat to systems using the dotnet bundle (single-file) self-contained format. It primarily targets such systems while flying under the radar. BundleBot is a sophisticated stealer and bot, compromising the security and privacy of affected systems. Victims should promptly remove this malware from their computers to safeguard their data.
BundleBot incorporates a sleep patch detection mechanism, allowing it to evade analysis in sandboxes and other virtual environments. Moreover, the malware establishes persistence on infected systems by installing and uninstalling itself. Its main objective is to steal information, and it collects sensitive data from compromised systems.
BundleBot Malware
BundleBot targets a wide range of applications and services to harvest information. The stolen data includes Telegram data, Discord tokens, computer information like hardware IDs, user information, operating system details, and IP information obtained from external services.
Moreover, BundleBot collects web browser data, such as profile names, decrypted keys, credential cookies, passwords, bookmarks, extensions, and even credit card information. Furthermore, it specifically targets Facebook accounts, obtaining user IDs, names, cookies, access tokens, pages, ad account info, business details, and browser-related information.
Additionally, BundleBot is capable of capturing screenshots, potentially exposing sensitive user activities and data.
| Name | BundleBot |
| Malware Type | Stealer and bot |
| Target | Systems using dotnet bundle (single-file) format |
| Stealing Mechanism | Sleep patch detection, capturing screenshots |
| Detection | Trojan:MSIL/Malgent!MSR, Win32:RATX-gen [Trj] |
| Collected Data |
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| Possible Damage |
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| Distribution |
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| Infection Process |
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| Similar behavior | Qwixx, Nitrogen |
Cybercriminals can misuse the stolen information for identity theft, financial exploitation, phishing, unauthorized access, spam campaigns, and even extortion. The data collected by BundleBot, including personal credentials, browser details, and social media information, provides cybercriminals with valuable resources for various malicious activities, posing a serious threat to victims’ privacy and security.
More examples of malware capable of stealing information are RootTeam, Muggle, and Phemedrone.
How BundleBot Infiltrates Computers
Computers become infected with BundleBot through a multi-stage process. Victims are tricked into downloading a fake program utility from a phishing website, delivered as a password-protected RAR archive. Upon execution, it downloads the second stage from a similar service, which contains the main component, BundleBot, exploiting the dotnet bundle (single-file) format with custom obfuscation.
How to Avoid Installation of Malware
To protect your system from malware like BundleBot, follow these precautions:
- Ensure frequent software updates.
- Exercise caution with unfamiliar links and downloads.
- Handle emails and attachments from unknown sources carefully.
- Install reputable antivirus software on all devices.
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